Insect-powder gun



Apr. 10, 1923. S. BERNSTEIN INSECT POWDER GUN Filed July ze, 1922 Patented Apr. 10, 1923. i

TEW

SUEL BERNSTEIN, OF NEW YORK, N. Y.

INSECT-POWDER GUN.

Application tiled July 26, 1922. Serial No. 577,554.

To all lwhom t may concern: disk 5 is imperforate, as shown best in Fig- Be it known that I, SAMUEL BERNSTEIN, ure 3, so that when the gun is not vin use a citizen of the United States, and resident the valve portion 9 prevents powder from of New York, in the county and State of passing into the bulb from the container l,

New York, have invented certain new and whereby said bulb always has its maximum @il useful Improvements in Insect-Powder Guns, contents of air to be forced into said conof which the following is a full, clear, and tainer for discharging the powder thereexact' specification. from.

This invention relates to powder guns When the bulb is compressed, as shown in l0 designed for discharging insect powder, and Figure 2, the air discharged therefrom raises @5 it has for its object to provide an improved the valve flange 9 away from the perderadevice of this kind having a powder-oon tions in the disk 5, thus allowing said air to taining body, a'nozzle at one end of said' enter the container and act upon the powder body through which the powder is distherein to eject it through the nozzle 3 at charged, and a bellows attached to the other the other end of said container. Als soon as 79 end of the body and having means for prethe pressure is relieved from the bulb the venting the powder from entering and fillvalve Hang?l 9 returns to its normal position ing up said bellows. Another object is to shown in `igure l where it closes 'the perprovide means for preventing clogging at forations in the disk 5 and prevents the the nozzle and insuring the breaking up and powder from being sucked back into the 75 even feeding of said powder to said nozzle. bulb from the container. The bulb may be The invention will be first hereinafter deprovided with an ordinary relief valve ll scribed in connection with the accompanyto permit it to fill with air directly from ing drawings, which constitute part of this the outside atmosphere instead of through specification, and then more specifically dethe container. f

fined in the claims at the end of the de- To prevent the nozzle 3fro1n becoming scription. y clogged with powder-so as to interfere with In the accompanying drawings, wherein.- 'the proper discharge thereof from the consimilar reference characters are used to destainer l, a perforated disk 12 is tted in said ignate corresponding parts throughoutl the container at the inner end of the tapered S5 several viewszpassage 2 which leads to said nozzle. The Figure l is a central longitudinal section central portion of said disk l2 is impero through a powder gun made substantially in forato so that the powder will not be forced accordance with this invention. directly into the nozzle but will pam F1gure 2 is asimilar view, showingpowthrough the perforations 13 around the mareo der 1n the container and the positions of the ginal portion of said disk and be directed parts when the bellows bulb is compressed to the nozzle by the tapered walls 2.

and a-portion of the powder discharged, and I claim Figure 3 is a transverse section on the 1. The combination with a powder conline III-III of Figure 2. tainer having a nozzle at one end, of a per- @l5 The powder container l may bevgenerally forated closure :forl the other end of said tubular in form with the walls at one end container, and a bellows bulb having a porthereof tapered at 2 leading to the discharge tion normally covering the perforations in nozzle 3 which may be closed by a plug 4 said closure and cutting off communication when the device is not in use. The other between the interiors of the container and lill@ end ofthe container is closed by a perforated bulb for the purpose specified.

disk 5 over which a bellows bulb 6 is se- 2. The combination with a powder con- 'cured in any suitable manner, as by the tainer having a nozzle at one end, of a per`` union 7. forated closure for the other end of said con- Said bulb 6 has a central air-discharging tainer, and a bellows bulb having a flange mi@ passage or opening 8, and around said pasat its inner end overlapping and normally sage or opening there is a flexible valve closing the perforations in said closure for member or flange 9 which normally covers the purpose specified. and closes the perforations 10 in the disk 3. The combinationv with a powder con- 5, see igure 1. The central portion of the tainerhaving a nozzle at one end, of a belll@ lil lows bnlb attached to the other end of the no ner and having a eentral air-delivery opening and a. closure disk in the container adjacent said bulb, said disk having perforations normally covered by the inner end of the bulb, while the central portion of said disk in line with the air-delivery opening in the bulb is imperforate.

`4. rlhe combinationwith a powder container having a nozzle at one end, of a bel* lows bulb attached to the other' end of the Container and having a central air-delivery opening and a 'Flexible valve portion around said opening, and a closure disk in the oontainer adjacent said bulb, said disk having perforations normally covered by said valve portion of the bulb, the central portion of said disk in line with the air-delivery opening in the bulb being imperforate.

The combination with a powder oontainer having a nozzle at one end, oa bel lows attached to the other end of the oontainery there being a tapered passage in the container leading to said nozzle, and a perforated disk in the container at the inner end of said tapered passage, the central portion of said disk being imperforate for the purpose specified.

6. The combination with a powder oontainer having a nozzle at one end, of a bellows, a flexible Valve member connecting the bellows with the ,other end of the container, and a perforated Closure for the latter end of the container, the perforations in said closure being normally covered by said valve member for the purpose specified.

7. A ooinpressible bellows bulb of the character described having an integral Valve portion extending outwardly around its discharge passage for the purpose specied.

ln testimony whereof have signed my name to this specification.

SAMUEL BERNSTEIN. 

